1984634740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2606

約数の個数: 144

約数和(自身を含む): 5107838400

約数和(自身を除く): 3123203660

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 34, 38, 44, 55, 68, 76, 85, 95, 110, 121, 170, 187, 190, 209, 220, 242, 323, 340, 374, 380, 418, 484, 605, 646, 748, 836, 935, 1045, 1210, 1292, 1615, 1870, 2057, 2090, 2299, 2420, 2539, 3230, 3553, 3740, 4114, 4180, 4598, 5078, 6460, 7106, 8228, 9196, 10156, 10285, 11495, 12695, 14212, 17765, 20570, 22990, 25390, 27929, 35530, 39083, 41140, 43163, 45980, 48241, 50780, 55858, 71060, 78166, 86326, 96482, 111716, 139645, 156332, 172652, 192964, 195415, 215815, 241205, 279290, 307219, 390830, 431630, 474793, 482410, 530651, 558580, 614438, 781660, 820097, 863260, 949586, 964820, 1061302, 1228876, 1536095, 1640194, 1899172, 2122604, 2373965, 2653255, 3072190, 3280388, 4100485, 4747930, 5222723, 5306510, 5837161, 6144380, 8200970, 9021067, 9495860, 10445446, 10613020, 11674322, 16401940, 18042134, 20890892, 23348644, 26113615, 29185805, 36084268, 45105335, 52227230, 58371610, 90210670, 99231737, 104454460, 116743220, 180421340, 198463474, 396926948, 496158685, 992317370, 1984634740]

約数ペア:

[(1, 1984634740), (2, 992317370), (4, 496158685), (5, 396926948), (10, 198463474), (11, 180421340), (17, 116743220), (19, 104454460), (20, 99231737), (22, 90210670), (34, 58371610), (38, 52227230), (44, 45105335), (55, 36084268), (68, 29185805), (76, 26113615), (85, 23348644), (95, 20890892), (110, 18042134), (121, 16401940), (170, 11674322), (187, 10613020), (190, 10445446), (209, 9495860), (220, 9021067), (242, 8200970), (323, 6144380), (340, 5837161), (374, 5306510), (380, 5222723), (418, 4747930), (484, 4100485), (605, 3280388), (646, 3072190), (748, 2653255), (836, 2373965), (935, 2122604), (1045, 1899172), (1210, 1640194), (1292, 1536095), (1615, 1228876), (1870, 1061302), (2057, 964820), (2090, 949586), (2299, 863260), (2420, 820097), (2539, 781660), (3230, 614438), (3553, 558580), (3740, 530651), (4114, 482410), (4180, 474793), (4598, 431630), (5078, 390830), (6460, 307219), (7106, 279290), (8228, 241205), (9196, 215815), (10156, 195415), (10285, 192964), (11495, 172652), (12695, 156332), (14212, 139645), (17765, 111716), (20570, 96482), (22990, 86326), (25390, 78166), (27929, 71060), (35530, 55858), (39083, 50780), (41140, 48241), (43163, 45980)]